Preprocessor defined name for x64 platform in MSDEV2010

Are there any preprocessor definitions that will let me know if the build environment is targeting X64?

I need a co开发者_JAVA百科ntext similar to #ifdef _DEBUG, only I want to test the platform, not the release mode.

There is, it's listed in the predefined macros documentation.

I found the answer: _WIN64 I've been searching MSDN for hours and finally when I post a question on here, I find it...